Find the percent. Write a sentence answering the question.In a recent survey of 1400 people, 28 said that their favorite color of car was black. What percent of the people surveyed preferred black cars?
A. 2% of the people preferred black cars.
B. 51% of the people preferred black cars.
C. 3% of the people preferred black cars.
D. 50% of the people preferred black cars.
Answer: A
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Solve the problem.Find the mean for the given sample data. Round your answer to the nearest tenth if necessary.19, 11, 18, 19, 17
A. 16 B. 19 C. 16.8 D. 21
Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Solve.The Henderson family heats their home with firewood. They used $100worth of wood in 25 days. Mr. Henderson estimates that he needs to burn wood at that rate for about 61 days during the winter. If that is so, how much will the 61-day supply of wood cost?
A. $488 B. $244 C. $6100 D. $122
Solve the problem.If the temperature in the city has risen 3° each day, how much has it risen in 4 days?
A. 7° B. 22° C. 15° D. 12°